9.3

CVE-2018-8265: microsoft exchange_server Improper Input Validation

CVSS: 9.3v2.0HighModified
Published 10-10-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-8265 is a high (CVSS 9.3) Improper Input Validation vulnerability in microsoft exchange_server. EPSS estimates a 19.27% chance of exploitation in the next 30 days, higher than 97.3% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
19.27%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-10-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A remote code execution vulnerability exists in the way Microsoft Exchange software parses specially crafted email messages, aka "Microsoft Exchange Remote Code Execution Vulnerability." This affects Microsoft Exchange Server.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

19.27%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

0.00 pp

From 19.27% on 18-09-2026

18-09-202618-10-2026
EPSS score
19.27%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft2 products

1 vendor · 2 products

References

3 links